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July 2010
AIRPORT COOPERATIVE RESEARCH PROGRAM
Sponsored by the Federal Aviation Administration
Responsible Senior Program Officer: Andrew C. Lemer
Research Results Digest 10
LIGHT DETECTION AND RANGING (LIDAR) DEPLOYMENT
FOR AIRPORT OBSTRUCTIONS SURVEYS
This digest presents the results of ACRP Project 3-01, "Light Detection
and Ranging (LIDAR) Deployment for Airport Obstructions Surveys."
The study was conducted by a research team under the leadership
of the University of Mississippi. The Principal Investigator was
Dr. Waheed Uddin.
SUMMARY ogy, particularly for airport obstruction sur-
veys. The final section discusses the sam-
Airports conduct obstruction surveys to ple procurement specification developed
identify obstacles--for example, towers, by the research team to facilitate design of
buildings, trees--that may pose hazards to a LIDAR-based survey. The sample pro-
air navigation in the vicinity of an airport. curement specification is presented in an
The surveys, which must conform to re- appendix.
quirements established by the federal gov-
ernment, have traditionally been conducted
using aerial photogrammetric and ground- INTRODUCTION
based survey methods. Rapid development Airport obstruction surveys are used by
of LIDAR (light detection and ranging) airports to determine when action is needed
technology in recent years is thought by to avoid or remediate impingements on air-
many people to offer a cost-effective alter- space (for example, trimming to reduce the
native to the traditional methods for collect- height of trees near runways); by airlines to
ing the data required to prepare airport analyze flight paths for their aircraft; and
obstruction surveys meeting government by the FAA to analyze and design controlled
requirements. This digest describes research airspace features such as new instrument
conducted to investigate the readiness of approaches, including global positioning
LIDAR technology for this application. system (GPS) approaches. Airports also use
A product of the research is a sample speci- these surveys to update Airport Layout Plan
fication that responsible agencies might (ALP) drawings that may become the basis
use to procure LIDAR-based aerial survey for restricting the heights of structures that
services to produce an airport obstruction could impinge on airspace and to note loca-
survey. tions of temporary potential obstructions
C O N T E N T S This digest is organized into three sec- such as construction cranes.
Summary, 1 tions and an appendix. The initial intro- The National Oceanic and Atmospheric
Introduction, 1
duction section describes the context for Administration's (NOAA) National Geo-
airport obstructions surveys and Federal detic Survey, operating under a series of
LIDAR and Its Application
in Airport Surveys, 2 Aviation Administration (FAA) standards interagency agreements with the FAA, is
Sample Survey Specification for those surveys. The second section re- responsible for certifying that informa-
for Airborne LIDAR, 4 views the state of practice with respect to tion developed from obstructions surveys
Appendix, A-1 applications of airborne LIDAR technol- meets the requirements for operation of the
